Grady (1937) Comparison Table

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Grady (1937) comparison table

Subject has part mean Ni content of sulfide has weather resistance has part carbon has synonym has olivine shock metamorphism has part matrix is independent of has shock pressure has degree of aqueous alteration has matrix abundance has petrologic subtype has sediment mechanism has image has weather has degree of secondary process has part feldspar has metal abundance has refractory inclusion abundance has relative abundance has fragmentation probability has chondrule mean diameter has metamorphism mechanism is a kind of has age has part sulfide Ni content has part maximum bulk Ni in metal has total iron content has definition has number of find has petrologic type has find date has part water has degree of thermal metamorphism has orthopyroxene shock metamorphism has plagioclase shock metamorphism has iron metal and iron sulfide has degree of shock metamorphism has mass has abundance has peak temperature has shock diagnostic mineral has name be shock has fall location is an instance of has shock stage has part metal maximum bulk has homogeneity of olivine and low Ca pyroxene has structural state of low Ca pyroxene has value has fall coordinate has olivine and low Ca pyroxene homogeneity has ablative mass loss has total mass of find has chondrule abundance has parent body has part chondrule has metal iron content has petrologic type range

H3 chondrite in weight % low 0.2 to 1 % by weight bronzite chondrite clastic and minor opaque none 10 to 15 % by volume agglomeration of particles, many of which record individual, diverse histories minor primary grains only 10 % by volume 0.1 to 1 % by volume 85.7 % of meteorite falls high because it is more friable than iron meteorite 0.3 millimeters type 3 chondrite oldest and most primitive rock in solar system less than 0.5 % by weight greater than 20 % by weight, kamacite and taenite in exsolution relationship high 9 3 0.3 to 3 % by weight none 75 % of total iron most common chondrite observed from falls less than 950 degree Celsius during its entire history since solidification based on the locale, region, or nearby town in which the fall occurred strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity in weight % definition goes here predominantly monoclinic in degrees, minutes and seconds of lattitude and longitude greater than 5 % deviations high because it is more friable than iron meteorite 349 kg 60 to 80 % by volume asteroid smaller than 100 km in diameter chondrules very sharply defined 12 to 21 % which depends on degree of aqueous alteration and thermal metamorphism

meteorite find which depends on its composition can be severe due to long exposure time to environmental corrosion agents during meteor phase which depends on composition meteorite a meteorite whose fall was not witnessed 1691 when the meteorite was found based on the locale, region, or nearby town in which the fall occurred strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity lower because the fall was not witnessed in degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity 485755 kg

S1 shock stage chondrite in weight % which depends on its composition in weight % sharp optical extinction, irregular fractures fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents the nature and degree of thermal metamorphism or aqueous alteration less than 5 GPa in volume % agglomeration of particles, many of which record individual, diverse histories providing insight into geological evolution of parent asteroid usually plagioclase tectosilicate in volume % in volume % during meteor phase which depends on composition millimeters shock metamorphism S1 shock stage meteorite oldest and most primitive rock in solar system 1691 in weight % sharp optical extinction, irregular fractures sharp optical extinction, irregular fractures unshocked less than 950 degree Celsius during its entire history since solidification orthopyroxene for enstatite chondrite based on the locale, region, or nearby town in which the fall occurred before, during or after other types of metamorphism strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity S1 in weight % definition goes here definition goes here in degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity 485755 kg in volume % asteroid smaller than 100 km in diameter small sphere of about 1 mm diameter of formerly melted minerals which depends on degree of aqueous alteration and thermal metamorphism

Grady (1937) in weight % which depends on its composition 0.2 to 1 % by weight bronzite chondrite sharp optical extinction, irregular fractures clastic and minor opaque the nature and degree of thermal metamorphism or aqueous alteration less than 5 GPa none 10 to 15 % by volume 3.7 agglomeration of particles, many of which record individual, diverse histories
can be severe due to long exposure time to environmental corrosion agents providing insight into geological evolution of parent asteroid minor primary grains only 10 % by volume 0.1 to 1 % by volume during meteor phase which depends on composition 0.3 millimeters shock metamorphism oldest and most primitive rock in solar system less than 0.5 % by weight greater than 20 % by weight, kamacite and taenite in exsolution relationship high 9 3 1937 0.3 to 3 % by weight none sharp optical extinction, irregular fractures sharp optical extinction, irregular fractures 75 % of total iron unshocked 9.3 kg most common chondrite observed from falls less than 950 degree Celsius during its entire history since solidification orthopyroxene for enstatite chondrite Grady (1937) before, during or after other types of metamorphism Grady, New Mexico S1 shock stage chondrite S1 in weight % definition goes here predominantly monoclinic lower because the fall was not witnessed 34° 48' N., 103° 19' W. greater than 5 % deviations directly proportional to initial velocity 349 kg 60 to 80 % by volume asteroid smaller than 100 km in diameter chondrules very sharply defined 12 to 21 % which depends on degree of aqueous alteration and thermal metamorphism

Next H3 chondrite: Abbott Up: H3 chondrite, meteorite find, S1 shock stage chondrite Previous H3 chondrite: Clovis no.1

Subject	has part mean Ni content of sulfide	has weather resistance	has part carbon	has synonym	has olivine shock metamorphism	has part matrix	is independent of	has shock pressure	has degree of aqueous alteration	has matrix abundance	has petrologic subtype	has sediment mechanism	has image	has weather	has degree of secondary process	has part feldspar	has metal abundance	has refractory inclusion abundance	has relative abundance	has fragmentation probability	has chondrule mean diameter	has metamorphism mechanism	is a kind of	has age	has part sulfide Ni content	has part maximum bulk Ni in metal	has total iron content	has definition	has number of find	has petrologic type	has find date	has part water	has degree of thermal metamorphism	has orthopyroxene shock metamorphism	has plagioclase shock metamorphism	has iron metal and iron sulfide	has degree of shock metamorphism	has mass	has abundance	has peak temperature	has shock diagnostic mineral	has name	be shock	has fall location	is an instance of	has shock stage	has part metal maximum bulk	has homogeneity of olivine and low Ca pyroxene	has structural state of low Ca pyroxene	has value	has fall coordinate	has olivine and low Ca pyroxene homogeneity	has ablative mass loss	has total mass of find	has chondrule abundance	has parent body	has part chondrule	has metal iron content	has petrologic type range
H3 chondrite	in weight %	low	0.2 to 1 % by weight	bronzite chondrite		clastic and minor opaque			none	10 to 15 % by volume		agglomeration of particles, many of which record individual, diverse histories				minor primary grains only	10 % by volume	0.1 to 1 % by volume	85.7 % of meteorite falls	high because it is more friable than iron meteorite	0.3 millimeters		type 3 chondrite	oldest and most primitive rock in solar system	less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship	high		9	3		0.3 to 3 % by weight	none			75 % of total iron			most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification		based on the locale, region, or nearby town in which the fall occurred		strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity			in weight %	definition goes here	predominantly monoclinic		in degrees, minutes and seconds of lattitude and longitude	greater than 5 % deviations	high because it is more friable than iron meteorite	349 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules very sharply defined	12 to 21 %	which depends on degree of aqueous alteration and thermal metamorphism
meteorite find		which depends on its composition												can be severe due to long exposure time to environmental corrosion agents						during meteor phase which depends on composition			meteorite					a meteorite whose fall was not witnessed	1691		when the meteorite was found											based on the locale, region, or nearby town in which the fall occurred		strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity						lower because the fall was not witnessed	in degrees, minutes and seconds of lattitude and longitude		directly proportional to initial velocity	485755 kg
S1 shock stage chondrite	in weight %	which depends on its composition	in weight %		sharp optical extinction, irregular fractures	fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents	the nature and degree of thermal metamorphism or aqueous alteration	less than 5 GPa		in volume %		agglomeration of particles, many of which record individual, diverse histories			providing insight into geological evolution of parent asteroid	usually plagioclase tectosilicate	in volume %	in volume %		during meteor phase which depends on composition	millimeters	shock metamorphism	S1 shock stage meteorite	oldest and most primitive rock in solar system					1691			in weight %		sharp optical extinction, irregular fractures	sharp optical extinction, irregular fractures		unshocked			less than 950 degree Celsius during its entire history since solidification	orthopyroxene for enstatite chondrite	based on the locale, region, or nearby town in which the fall occurred	before, during or after other types of metamorphism	strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity		S1	in weight %	definition goes here	definition goes here		in degrees, minutes and seconds of lattitude and longitude		directly proportional to initial velocity	485755 kg	in volume %	asteroid smaller than 100 km in diameter	small sphere of about 1 mm diameter of formerly melted minerals		which depends on degree of aqueous alteration and thermal metamorphism
Grady (1937)	in weight %	which depends on its composition	0.2 to 1 % by weight	bronzite chondrite	sharp optical extinction, irregular fractures	clastic and minor opaque	the nature and degree of thermal metamorphism or aqueous alteration	less than 5 GPa	none	10 to 15 % by volume	3.7	agglomeration of particles, many of which record individual, diverse histories		can be severe due to long exposure time to environmental corrosion agents	providing insight into geological evolution of parent asteroid	minor primary grains only	10 % by volume	0.1 to 1 % by volume		during meteor phase which depends on composition	0.3 millimeters	shock metamorphism		oldest and most primitive rock in solar system	less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship	high		9	3	1937	0.3 to 3 % by weight	none	sharp optical extinction, irregular fractures	sharp optical extinction, irregular fractures	75 % of total iron	unshocked	9.3 kg	most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification	orthopyroxene for enstatite chondrite	Grady (1937)	before, during or after other types of metamorphism	Grady, New Mexico	S1 shock stage chondrite	S1	in weight %	definition goes here	predominantly monoclinic	lower because the fall was not witnessed	34° 48' N., 103° 19' W.	greater than 5 % deviations	directly proportional to initial velocity	349 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules very sharply defined	12 to 21 %	which depends on degree of aqueous alteration and thermal metamorphism